Michael Westerbuhr, PA-C
NPI 1114900453 · Physician Assistant · Rapid City, SD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Westerbuhr, PA-C is a Physician Assistant provider in Rapid City, SD (NPI 1114900453).
Provider details
- NPI number
- 1114900453
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 1034 (SD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,301 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 419 | $74 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 125 | $46 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 122 | $4 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 107 | $8 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 93 | $3 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 80 | 74 |
| Azithromycin | 74 | 74 |
| Cefdinir | 45 | 43 |
| Prednisone | 41 | 39 |
| Ciprofloxacin Hcl | 20 | 20 |
| Amoxicillin | 15 | 14 |
| Meclizine Hcl | 14 | 12 |
| Tobramycin | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-21
- Last updated
- 2025-12-12
- Certified
- 2025-12-12
Frequently asked questions
- What is Michael Westerbuhr's NPI number?
- Michael Westerbuhr's National Provider Identifier (NPI) is 1114900453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Westerbuhr's specialty?
- Michael Westerbuhr is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Westerbuhr located?
- Michael Westerbuhr's practice location on file with NPPES is 2820 Mount Rushmore Rd, Rapid City, SD 57701-5462.
- What is Michael Westerbuhr's phone number?
- The practice phone number listed in the NPPES registry for Michael Westerbuhr is (605) 342-3280.
- Does Michael Westerbuhr accept Medicare?
- Michael Westerbuhr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Westerbuhr's NPI active?
- Yes — Michael Westerbuhr's NPI (1114900453) is active in the NPPES registry as of the last update on 2025-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.